12.3 Partial Derivatives

12.3 Partial Derivatives

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Unformatted text preview: , b) = f y ( a, b) = lim h→0 
 ∂y h if
the
limit
exists.
 
 So
from
our
chart
 f (2, −2) − f (0, −2) 2 f (0.2, −2) − f (0, −2) 
 f x (0, −2) = 0.2 f x (0, −2) = 
 Geometric
Interpretation
 
 
 
 
 
 
 
 
 
 
 We
can
use
contours
to
estimate
fx
and
fy.
 Ex.

F(x,y)
=
2x
+...
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This note was uploaded on 10/02/2011 for the course AERO 1234 at Virginia Tech.

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